body {
  margin: 0;
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 100vh;
  background-color: #2c3e50;
  font-family: Arial, sans-serif;
}

.game-container {
  text-align: center;
}

#gameCanvas {
  border: 3px solid #ecf0f1;
  border-radius: 5px;
  background-color: #34495e;
}

.score-board {
  color: #ecf0f1;
  font-size: 24px;
  margin: 20px 0;
}

.restart-btn {
  padding: 12px 24px;
  font-size: 18px;
  background-color: #27ae60;
  color: white;
  border: none;
  border-radius: 5px;
  cursor: pointer;
  transition: background-color 0.3s;
}

.restart-btn:hover {
  background-color: #219a52;
}